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Old 05-01-2018, 11:42 AM   #87 (permalink)
mpg_numbers_guy
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Join Date: Feb 2018
Location: VA
Posts: 1,372

Toby - '13 Toyota Prius C
Team Toyota
90 day: 63.99 mpg (US)

Daz - '15 Mazda 3 iTouring w/ Tech Package
Team Mazda
90 day: 38.2 mpg (US)
Thanks: 324
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Quote:
Originally Posted by elhigh View Post
NICE. That's going to pay for itself really fast, too.
Air Dam ROI:

$4.97 (lawn edging)
+$6.49 (self tapping screws)
---------
$11.46 (subtotal)
---------
$12.15 (after tax)
/ $0.08/gal (3% @ ~$2.67/gal)
---------
~152 miles to break even, then all free gain (quarter way there so far).


Wheel covers + grille blocking ROI:

$6.99 (duct tape)
---------
$7.41 (after tax)
/ $0.09/gal (3.3% @ ~$2.67/gal)
---------
~82 miles to break even, then all free gain (halfway there so far).


Inflating tires from 32 psi to 41 psi ROI:

$1.00 (air compressor was broken so had to pay for air)
/ $0.09/gal (3.6% @~2.67/gal)
---------
~11 miles to break even, then all free gain (passed a long time ago)
__________________
2013 Toyota Prius C 2 (my car)


2015 Mazda 3 iTouring Hatchback w/ Tech Package (wife's car)

Last edited by mpg_numbers_guy; 05-01-2018 at 01:23 PM..
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